Home / 495,327.20-683,559.48-280,461.52

Finding the Fourth Proportional to 495,327.20, 683,559.48 and 280,461.52

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Solution

The fourth proportional to 495,327.20, 683,559.48 and 280,461.52 is: 387,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,327.20 : 683,559.48 = 280,461.52 : x
  2. Step 2: Convert to fraction form
    495,327.20/683,559.48 = 280,461.52/x
  3. Step 3: Cross multiply
    495,327.20x = 683,559.48 × 280,461.52
  4. Step 4: Simplify right side
    495,327.20x = 191,712,130,771.21
  5. Step 5: Solve for x
    x = 191,712,130,771.21/495,327.20
  6. Step 6: Final answer
    x = 387,041.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.